#42427A#42427A

#42427A is a dark, moderate blue. Relative luminance 0.065; OKLCH L 40.7% C 0.092 H 281.5°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#42427A
RGB	rgb(66, 66, 122)
HSL	hsl(240, 30%, 37%)
HSV	hsv(240, 46%, 48%)
CMYK	cmyk(45.9%, 45.9%, 0%, 52.2%)
CIE-LAB	lab(30.54, 15.79, -32.00)
CIE-LCH	lch(30.54, 35.69, 296.27°)
OKLab	oklab(40.74% 0.0184 -0.0905)
OKLCH	oklch(40.74% 0.092 281.5)
XYZ	xyz(7.7068, 6.4595, 19.2493)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42427A #7A7A42

analogous

#425E7A #42427A #5E427A

triadic

#42427A #7A4242 #427A42

tetradic

#42427A #7A425E #7A7A42 #427A5E

square

#42427A #7A425E #7A7A42 #427A5E

split-complementary

#42427A #7A5E42 #5E7A42

monochromatic

#17172B #2D2D52 #42427A #5757A2 #7D7DB9

Accessibility & contrast

On white

9.16

#42427A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#42427A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42427A

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42427A	#FFFFFF	#000000	##FFFFFF
##42427A	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4A7C

Deuteranopia (green-blind)

#294679

Tritanopia (blue-blind)

#304D58

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #42427a;
/* rgb */ color: rgb(66, 66, 122);
/* oklch */ color: oklch(40.7% 0.092 281.5);

Tailwind

colors: {
  custom: {
    50: '#7a76a1',
    500: '#42427a',
    950: '#000000',
  },
}

SCSS

$custom: #42427a;
$custom-light: #7a76a1;
$custom-dark: #000000;

JSON

{
  "hex": "#42427a",
  "rgb": {
    "r": 66,
    "g": 66,
    "b": 122
  },
  "hsl": {
    "h": 240,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40737,
    "c": 0.09238,
    "h": 281.5
  },
  "luminance": 0.0646
}

Semantic roles & 50–950 ramp

primary

#42427A

secondary

#A4A474

accent

#C662C6

background

#F7F7F9

surface

#EEEDF2

border

#C9C8CC

text

#09080F

muted

#7B7B7E

Preview Lab

Preview with #42427A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →